Imej mungkin representasi.
Lihat spesifikasi untuk butiran produk.
MAX4719EUB+T

MAX4719EUB+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Current Sense Amplifier
  • Characteristics: High accuracy, low power consumption, small package size
  • Package: 10 µMAX®
  • Essence: Measures and amplifies current signals for various applications
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 2.7V to 5.5V
  • Input Common Mode Voltage Range: -0.1V to +28V
  • Output Voltage Swing: 0V to VCC - 1.2V
  • Gain Bandwidth Product: 500kHz
  • Quiescent Current: 40µA
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX4719EUB+T has the following pin configuration:

```


| | --| IN- OUT+ |-- --| IN+ GND |-- --| REF VCC |-- --| SET OUT- |-- |_______________| ```

Functional Features

  • High Accuracy: The MAX4719EUB+T provides precise current measurement with a gain error of only ±0.5%.
  • Low Power Consumption: With a quiescent current of only 40µA, it minimizes power consumption in battery-powered applications.
  • Small Package Size: The 10 µMAX® package allows for space-efficient integration into compact designs.

Advantages and Disadvantages

Advantages: - High accuracy ensures reliable current measurements. - Low power consumption prolongs battery life. - Small package size enables integration in space-constrained applications.

Disadvantages: - Limited input common mode voltage range (-0.1V to +28V). - Output voltage swing is limited to 0V to VCC - 1.2V.

Working Principles

The MAX4719EUB+T is a current sense amplifier that measures and amplifies current signals. It utilizes a precision resistor in series with the load to measure the current passing through it. The amplified output voltage is proportional to the input current, allowing for accurate current measurements.

Detailed Application Field Plans

The MAX4719EUB+T finds applications in various fields, including:

  1. Power Management: Current monitoring in power supplies, battery chargers, and DC-DC converters.
  2. Motor Control: Current sensing in motor control circuits for precise speed and torque control.
  3. Automotive Electronics: Current measurement in automotive systems such as electric vehicles, hybrid vehicles, and engine control units.
  4. Industrial Automation: Current monitoring in industrial equipment, robotics, and process control systems.
  5. Consumer Electronics: Current sensing in portable devices, audio amplifiers, and LED lighting systems.

Detailed and Complete Alternative Models

  1. INA219: High-side current shunt and power monitor with I2C interface.
  2. ACS712: Hall effect-based linear current sensor with analog output.
  3. LT6105: Precision high-side current sense amplifier with adjustable gain.
  4. AD8210: Wide bandwidth, bidirectional current shunt monitor with voltage output.
  5. MAX4080: Precision, high-side current-sense amplifier with integrated comparator.

These alternative models offer similar functionality and can be considered based on specific application requirements.

Word count: 305 words

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi MAX4719EUB+T dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of MAX4719EUB+T in technical solutions:

  1. Q: What is the MAX4719EUB+T? A: The MAX4719EUB+T is a high-side current-sense amplifier with an integrated precision shunt resistor.

  2. Q: What is the purpose of the MAX4719EUB+T? A: The MAX4719EUB+T is designed to accurately measure current flowing through a load in various applications.

  3. Q: How does the MAX4719EUB+T work? A: It measures the voltage drop across its internal shunt resistor and amplifies it to provide an output proportional to the load current.

  4. Q: What is the maximum supply voltage for the MAX4719EUB+T? A: The maximum supply voltage is 28V.

  5. Q: What is the typical gain of the MAX4719EUB+T? A: The typical gain is 20V/V.

  6. Q: Can the MAX4719EUB+T be used for bidirectional current sensing? A: No, it is designed for unidirectional current sensing only.

  7. Q: What is the accuracy of the MAX4719EUB+T? A: The accuracy is typically within ±0.5% of the measured current.

  8. Q: Does the MAX4719EUB+T have any built-in protection features? A: Yes, it has overvoltage and reverse-voltage protection to safeguard against potential damage.

  9. Q: What is the operating temperature range of the MAX4719EUB+T? A: The operating temperature range is -40°C to +125°C.

  10. Q: What are some typical applications for the MAX4719EUB+T? A: It can be used in power management systems, battery chargers, motor control, and other applications where accurate current measurement is required.

Please note that these answers are general and may vary depending on the specific requirements and conditions of your application.